The Brush,electrical Contact, cataloged under National Stock Number 5977-00-028-4109, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-028-4109 |
| Primary Part Number | K854705-4 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Length | 0.625 INCHES NOMINAL IN |
| Style Designator | ONE PIECE |
| Brush Shunt Length | 1.500 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Width | 0.250 INCHES NOMINAL IN |
| Material | CARBON |
| Thickness | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| K854705-4 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| K854705-4 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5977-00-028-4109 is a Brush,electrical Contact, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-028-4109 has 1 manufacturer part number on file: K854705-4 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for K854705-4: Length: 0.625 INCHES NOMINAL IN; Style Designator: ONE PIECE; Brush Shunt Length: 1.500 INCHES NOMINAL SINGLE SHUNT IN; Contact Face Style: FLAT. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.